US2010075561A1PendingUtilityA1

Fragrance emitting patch

60
Individually held — no corporate assignee on recordPriority: Sep 22, 2008Filed: Sep 18, 2009Published: Mar 25, 2010
Est. expirySep 22, 2028(~2.2 yrs left)· nominal 20-yr term from priority
Inventors:Ricky Ray BurrowJoseph LuizziPramod MavinkurveElaine M. MichaelsH. Michael MoscheroschJessica G. Begay
B32B 27/10B32B 2262/0246B32B 2262/04B32B 2307/726A61L 9/012B32B 27/08B32B 5/22B32B 2262/12B32B 27/302B32B 5/08B32B 5/022B32B 2255/26B32B 5/26B32B 7/06B32B 2262/062Y10T428/24998B32B 27/12B32B 2270/00B32B 2255/10B32B 2262/0276B32B 2262/14B32B 2260/00B32B 2262/0261B32B 27/32B32B 2262/0253A61L 9/12B32B 27/308Y10T442/674B32B 7/12B32B 2255/12B32B 2437/00
60
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Claims

Abstract

A fragrance emitting patch including a primary porous layer having a top and a bottom surface, a secondary layer having a top and a bottom surface, a construction adhesive arranged between the primary layer and the secondary layer for securing the primary and secondary layers to one another, the primary layer being provided with a fragrance, and an absolute difference of a Hildebrand solubility parameter of the construction adhesive and the Hildebrand solubility parameter of the fragrance is greater than 1.5.

Claims

exact text as granted — not AI-modified
1 . A fragrance emitting patch comprising:
 a primary layer having a top and a bottom surface;   a secondary layer having a top and a bottom surface; and   an intermediate layer arranged between the primary and secondary layers, the intermediate layer provided with an oil based fragrance; and   wherein the intermediate layer is a mineral oil polymer blend microporous film.   
     
     
         2 . The fragrance emitting patch according to  claim 1 , further comprising a positioning adhesive arranged on the bottom surface of the secondary layer. 
     
     
         3 . The fragrance emitting patch according to  claim 1 , wherein the intermediate layer is provided with the fragrance in an amount greater than about 3 gsm. 
     
     
         4 . The fragrance emitting patch according to  claim 3 , wherein the intermediate layer is provided with the fragrance in an amount within the range of about 3 gsm and about 15 gsm. 
     
     
         5 . The fragrance emitting patch according to  claim 1 , wherein the primary layer is a nonwoven material. 
     
     
         6 . The fragrance emitting patch according to  claim 2 , wherein an absolute difference of a Hildebrand solubility parameter of the positioning adhesive and a Hildebrand solubility parameter of the fragrance is greater than 1.5. 
     
     
         7 . The fragrance emitting patch according to  claim 1 , wherein the primary layer is secured to the secondary layer in an adhesive-free manner thereby entrapping the intermediate layer between the primary and secondary layers. 
     
     
         8 . The fragrance emitting patch according to  claim 1 , wherein the primary layer is secured to the secondary layer by means of a construction adhesive. 
     
     
         9 . The fragrance emitting patch according to  claim 8 , wherein an absolute difference of a Hildebrand solubility parameter of the construction adhesive and the Hildebrand solubility parameter of the fragrance is greater than 1.5. 
     
     
         10 . The fragrance emitting patch according to  claim 1 , wherein the intermediate layer is secured to at least one of the primary layer and the secondary layer by means of a construction adhesive. 
     
     
         11 . The fragrance emitting patch according to  claim 10 , wherein an absolute difference of a Hildebrand solubility parameter of the construction adhesive and the Hildebrand solubility parameter of the fragrance is greater than 1.5.

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